       :say-hello
       {:clip-size (fgc/defpoint 1.75 0.25 0)
        :text "Greeting"
-       :position-matrix (flatgui.util.matrix/transtation-matrix 0.125 0.75)})
+       :position-matrix (m/transtation-matrix 0.125 0.75)})
 
     (fg/defcomponent
       label
       :greeting
       {:text nogreeting-text
        :clip-size (fgc/defpoint 2.25 0.25 0)
-       :position-matrix (flatgui.util.matrix/transtation-matrix 1.0 0.75)
+       :position-matrix (m/transtation-matrix 1.0 0.75)
        :evolvers {:text greeting-evolver}})))
 
 ;;;; TODO use defcontainer marco instead

    window
    :hello
    {:clip-size (fgc/defpoint 3 1.5)
     :position-matrix (flatgui.util.matrix/transtation-matrix 1 1)
     :text "Hello World Example"}

    (fg/defcomponent

        flatgui.widgets.checkbox)
  (:require flatgui.skins.flat
            flatgui.appcontainer
            [flatgui.util.matrix :as m]
            [flatgui.base :as fg]
            [flatgui.comlogic :as fgc]
            [flatgui.awt :as awt]))
